Why Trump Should Fear Joe Biden

Joe Biden is a gaffe-prone 75-year-old Washington veteran -- who is exactly what Democrats need.

The suburbs have turned against Republicans, but Donald Trump's working-class base is still with him in a geographic and demographic stand-off that will -- absent a game-changer -- define the 2020 election.

The play for Democrats should be obvious: Make a serious appeal to Trump's voters, take back the Blue Wall states of Wisconsin, Michigan and Pennsylvania, and win the presidency. In other words, go with Joe Biden or someone like him with a Midwestern or working-class sensibility (newly re-electe...